"Serious introspection" refers to the act of taking a deep and thoughtful examination of oneself. It involves reflecting on your thoughts, feelings, and actions to gain a better understanding of who you are and what you want in life. Full definition
As for additional reform, in fairness, there are a number of well - intentioned and well - crafted proposals directed toward incremental improvement in the current reform model, but, with few exceptions, there seems to be little sentiment for serious introspection or candid appraisal of the current status of the reforms that have produced what has been dubbed «The Texas Miracle». (texaspilgrim.com)
We need serious introspection and a new way of doing things.» (citifmonline.com)
I did more serious introspection on those flights than any I've done in a decade. (sciencemag.org)